be quiet! System Power 11 650W (BP011)

The be quiet! System Power 11 650W (BP011) is a power supply for mainstream gaming and home systems that require modern compatibility with new graphics cards without stepping into the more expensive Gold or Platinum segment. The model complies with the ATX 3.1 standard, holds 80 PLUS Bronze certification with efficiency up to 89.7%, and features a thermally managed 120-mm fan with DC-to-DC voltage regulation. On the +12V rail, the unit delivers 54.2 A and the full 650 W, making it suitable for configurations with a single high-performance graphics card and a mid-range or higher-class processor. GPU power is supplied via one 12V-2x6 connector rated for 450 W and two PCIe 6+2-pin connectors, allowing the be quiet! System Power 11 650W (BP011) to support both new cards with native 16-pin connectors and previous-generation models. The unit operates on 200–240 V mains input and consumes less than 0.15 W in standby mode. Protection features include OTP, OCP, OPP, SCP, OVP, UVP, and SIP. The be quiet! System Power 11 650W (BP011) is ideal for builds where 450–550 W is already insufficient but 750 W is not yet necessary, serving as a middle-ground option for modern PCs that emphasize ATX 3.1 support, quiet operation, and a moderate budget.